let rec includemylib includefile  sourceFile  destFile =

 let oc = open_out destFile
 in
        let copy src  =
			let ic = open_in src in
			  try
			    while true do
			      let s = input_line ic in
			      output_string oc s;
			      output_char oc '\n';
			    done
			  with End_of_file ->
			    close_in ic;   
        in
        let _ = copy includefile; copy  sourceFile; close_out oc;
        in ();

           